Least Common Multiple of 123 and 131

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 123 and 131 the smallest integer that is 16113 that is divisible by both numbers.

Least Common Multiple (LCM) of 123 and 131 is 16113.

LCM(123,131) = 16113

LCM of 123 and 131

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 123 and 131

LCM of 123 and 131 is 16113

Least common multiple can be found by multiplying the highest exponent prime factors of 123 and 131. First we will calculate the prime factors of 123 and 131.

Prime Factorization of 123


3 123
41 41
1

Prime factors of 123 are 3,41. Prime factorization of 123 in exponential form is:

123 = 31×411

Prime Factorization of 131


131 131
1

Prime factors of 131 are 131. Prime factorization of 131 in exponential form is:

131 = 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 123 and 131.

LCM(123,131) = 31×411×1311
LCM(123,131) = 16113

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1, 3, 41, 123

Factors of 131

List of positive integer factors of 131 that divides 131 without a remainder.

1, 131

Least Common Multiple of 123 and 131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 123 and 131, than apply into the LCM equation.

GCF(123,131) = 1
LCM(123,131) = ( 123 × 131) / 1
LCM(123,131) = 16113 / 1
LCM(123,131) = 16113

Properties of LCM 123 and 131

(i) The LCM of 131 and 123 is associative

LCM of 123 and 131 = LCM of 131 and 123

Frequently Asked Questions on LCM of 123 and 131

1. What is the LCM of 123 and 131?

Answer: LCM of 123 and 131 is 16113.

2. What are the Factors of 123?

Answer: Factors of 123 are 1, 3, 41, 123. There are 4 integers that are factors of 123. The greatest factor of 123 is 123.

3. What are the Factors of 131?

Answer: Factors of 131 are 1, 131. There are 2 integers that are factors of 131. The greatest factor of 131 is 131.

4. How to Find the LCM of 123 and 131?

Answer:

Least Common Multiple of 123 and 131 = 16113

Step 1: Find the prime factorization of 123

123 = 3 x 41

Step 2: Find the prime factorization of 131

131 = 131

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 16113 = 3 x 41 x 131

Step 4: Therefore, the least common multiple of 123 and 131 is 16113.